FR2839488B1 - SERVOMOTOR USING AN EXTERNALLY MOUNTED SEAL - Google Patents

SERVOMOTOR USING AN EXTERNALLY MOUNTED SEAL

Info

Publication number
FR2839488B1
FR2839488B1 FR0205773A FR0205773A FR2839488B1 FR 2839488 B1 FR2839488 B1 FR 2839488B1 FR 0205773 A FR0205773 A FR 0205773A FR 0205773 A FR0205773 A FR 0205773A FR 2839488 B1 FR2839488 B1 FR 2839488B1
Authority
FR
France
Prior art keywords
duct
servomotor
externally mounted
aperture
mounted seal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0205773A
Other languages
French (fr)
Other versions
FR2839488A1 (en
Inventor
Jean Pierre Michon
Bruno Beylerian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to FR0205773A priority Critical patent/FR2839488B1/en
Priority to DE60300212T priority patent/DE60300212D1/en
Priority to AT03009596T priority patent/ATE284802T1/en
Priority to EP03009596A priority patent/EP1361125B1/en
Publication of FR2839488A1 publication Critical patent/FR2839488A1/en
Application granted granted Critical
Publication of FR2839488B1 publication Critical patent/FR2839488B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/46—Vacuum systems
    • B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
    • B60T13/567—Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of the casing or by its strengthening or mounting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Valve Device For Special Equipments (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Sealing Devices (AREA)

Abstract

The servomotor has a rigid envelope shaped locally to form a duct and a hub (5) that slides in an aperture in it, enclosed by an annular seal (61) and bellows element (62) fixed to the servomotor control rod (72) and the duct. The seal is connected to a retaining bead that is engaged with a groove (31) in the duct and extends round the whole of its outer surface. It has an annular seal lip (611) that presses against the hub outside the duct in relation to the aperture.
FR0205773A 2002-05-07 2002-05-07 SERVOMOTOR USING AN EXTERNALLY MOUNTED SEAL Expired - Fee Related FR2839488B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0205773A FR2839488B1 (en) 2002-05-07 2002-05-07 SERVOMOTOR USING AN EXTERNALLY MOUNTED SEAL
DE60300212T DE60300212D1 (en) 2002-05-07 2003-04-29 Brake booster with a seal attached to the outside
AT03009596T ATE284802T1 (en) 2002-05-07 2003-04-29 BRAKE BOOSTER WITH A GASKET MOUNTED ON THE OUTSIDE
EP03009596A EP1361125B1 (en) 2002-05-07 2003-04-29 Brake booster having an externally mounted seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0205773A FR2839488B1 (en) 2002-05-07 2002-05-07 SERVOMOTOR USING AN EXTERNALLY MOUNTED SEAL

Publications (2)

Publication Number Publication Date
FR2839488A1 FR2839488A1 (en) 2003-11-14
FR2839488B1 true FR2839488B1 (en) 2004-07-02

Family

ID=29226256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0205773A Expired - Fee Related FR2839488B1 (en) 2002-05-07 2002-05-07 SERVOMOTOR USING AN EXTERNALLY MOUNTED SEAL

Country Status (4)

Country Link
EP (1) EP1361125B1 (en)
AT (1) ATE284802T1 (en)
DE (1) DE60300212D1 (en)
FR (1) FR2839488B1 (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1655276B1 (en) 1966-08-16 1970-09-03 Teves Gmbh Alfred Linkage actuated vacuum brake amplifier, especially for vehicle brake systems
AU4857079A (en) * 1978-07-08 1980-01-17 Lucas Industries Limited Servo boosters for vehicle braking systems
JPS56127048U (en) * 1980-02-27 1981-09-28
JPS5758549A (en) * 1980-09-22 1982-04-08 Sumitomo Electric Ind Ltd Bearing construction for power piston of vacuum doubler device
DE3113271A1 (en) * 1981-04-02 1982-10-21 Alfred Teves Gmbh, 6000 Frankfurt Mechanically controlled power amplifier, in particular for brake systems of motor vehicles
FR2532084A1 (en) 1982-08-20 1984-02-24 Dba STOP KEY FOR ASSISTANCE SERVOMOTOR VALVE DIVER AND ASSISTANCE SERVOMOTOR EQUIPPED WITH SUCH KEY
DE3912373A1 (en) * 1988-04-14 1989-10-26 Lucas Ind Plc Brake master cylinder for a hydraulic brake system
FR2658466B1 (en) 1990-02-21 1994-12-02 Bendix Europ Services Tech ASSEMBLY OF A BRAKE ASSIST MOTOR AND A MASTER CYLINDER.
JPH09295570A (en) * 1996-04-30 1997-11-18 Jidosha Kiki Co Ltd Servo unit
US5904088A (en) * 1996-09-27 1999-05-18 Aisin Seiki Kabushiki Kaisha Brake booster apparatus for a vehicle
JP3823552B2 (en) * 1998-08-07 2006-09-20 ボッシュ株式会社 Automatic brake booster

Also Published As

Publication number Publication date
FR2839488A1 (en) 2003-11-14
DE60300212D1 (en) 2005-01-20
ATE284802T1 (en) 2005-01-15
EP1361125A1 (en) 2003-11-12
EP1361125B1 (en) 2004-12-15

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20160129